What are the database administrators utilities avaliable ?

1 Answer

Answer :

SQL * DBA - This allows DBA to monitor and control an ORACLE
database. SQL * Loader - It loads data from standard operating system
files (Flat files) into ORACLE database tables. Export (EXP) and Import
(imp) utilities allow you to move existing data in ORACLE format to and
from ORACLE database.

Related questions

Description : How does one use the import/export utilities? (for DBA

Last Answer : Look for the "imp" and "exp" executables in your $ORACLE_HOME/bin directory. One can run them interactively, using command line parameters, or using parameter files. Look at the imp/exp parameters ... and export data with the "Schema Manager" GUI that ships with Oracle Enterprise Manager (OEM).

Description : What tools/utilities does Oracle provide to assist with performance tuning? (for DBA

Last Answer : Oracle provide the following tools/ utilities to assist with performance monitoring and tuning: . TKProf . UTLBSTAT.SQL and UTLESTAT.SQL - Begin and end stats monitoring . Statspack . Oracle Enterprise Manager - Tuning Pack

Description : What is the difference between the SQL*Loader and IMPORT utilities?

Last Answer : These two Oracle utilities are used for loading data into the database. The difference is that the import utility relies on the data being produced by another Oracle utility EXPORT while the SQL* ... from different data sources just so long as it conforms to ASCII formatted or delimited files.

Description : Name two utilities that Oracle provides, which are use for backup and recovery.

Last Answer : Along with the RDBMS software, Oracle provides two utilities that you can use to back up and restore the database. These utilities are Export and Import. The Export utility dumps the definitions and data ... best you can do is recover the database to the time when the export was last performed.

Description : In distributed databases, location transparency allows for database users, programmers and administrators to treat the data as if it is at one location. A SQL query with location transparency needs to specify: (A) Inheritances (B) Fragments (C) Locations (D) Local formatsĀ 

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Description : Is PMP certification avaliable online?

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Description : How does one manage Oracle database users? (for DBA

Last Answer : Oracle user accounts can be locked, unlocked, forced to choose new passwords, etc. For example, all accounts except SYS and SYSTEM will be locked after creating an Oracle9iDB database using the DB ... locked users account ALTER USER scott PASSWORD EXPIRE; -- Force user to choose a new password

Description : How does one manage Oracle database users? (for DBA

Last Answer : Oracle user accounts can be locked, unlocked, forced to choose new passwords, etc. For example, all accounts except SYS and SYSTEM will be locked after creating an Oracle9iDB database using the ... from SYS.V$BH log buffer spaces Increase LOG_BUFFER parameter or move log files to faster disks

Description : How does one backup a database using the export utility? (for DBA

Last Answer : Oracle exports are "logical" database backups (not physical) as they extract data and logical definitions from the database into a file. Other backup strategies normally back-up the physical data ... exports include more information about the database in the export file than user level exports.

Description : What strategies are available for backing-up an Oracle database? (for DBA

Last Answer : The following methods are valid for backing-up an Oracle database: Export/Import - Exports are "logical" database backups in that they extract logical definitions and data from the database to a file. ... , etc. If your database is in ARCGIVELOG mode, you also need to backup archived log files.

Description : Why and when should I backup my database? (for DBA

Last Answer : Backup and recovery is one of the most important aspects of a DBAs job. If you lose your company's data, you could very well lose your job. Hardware and software can always be ... things that will get you. Most failed recoveries are a result of organizational errors and miscommunications.

Description : What are the roles and user accounts created automatically with the database?

Last Answer : DBA - role Contains all database system privileges. SYS user account - The DBA role will be assigned to this account. All of the base tables and views for the database's dictionary ... administrative information and internal tables and views used by oracle tools are created using this username.

Description : What are the responsibilities of a Database Administrator ?

Last Answer : Installing and upgrading the Oracle Server and application tools. Allocating system storage and planning future storage requirements for the database system. Managing primary database structures ... tape Backing up and restoring the database. Contacting Oracle Corporation for technical support.

Description : How does one create a standby database? (for DBA)

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Description : Name two files used for network connection to a database.

Last Answer : TNSNAMES.ORA and SQLNET.ORA

Description : When creating a user, what permissions must you grant to allow them to connect to the database?

Last Answer : Grant the CONNECT to the user.

Description : Name a tablespace automatically created when you create a database.

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Description : How would you determine the time zone under which a database was operating?

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Last Answer : In the alert log.

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Description : What is network database link?

Last Answer : Network database link is created and managed by a network domain service. A network database link can be used when any user of any database in the network specifies a global object name in a SQL statement or object definition.

Description : What is public database link?

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Description : What is private database link?

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Description : What are the types of database links?

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Description : What is Database Link ?

Last Answer : A database link is a named object that describes a "path" from one database to another.

Description : What are the steps involved in Database Shutdown ?

Last Answer : Close the Database, Dismount the Database and Shutdown the Instance.

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Description : What are the different modes of mounting a Database with the Parallel Server ?

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Description : Can Full Backup be performed when the database is open ?

Last Answer : No.

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Description : Can you store pictures in database? How?

Last Answer : Yes , in long Raw datatype.

Description : Can U disable database trigger? How?

Last Answer : Yes. With respect to table ALTER TABLE TABLE [[ DISABLE all_trigger ]]

Description : Who created all these users in my database?/ Can I drop this user? (for DBA

Last Answer : Oracle creates a number of default database users or schemas when a new database is created. Below are a few of them: SYS/CHANGE_ON_INSTALL or INTERNAL Oracle Data Dictionary/ Catalog Created ... there should be no problem altering these users to use a different default and temporary tablespace.

Description : How does one create and drop database users?

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Description : What are Database Triggers and Stored Procedures

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Description : What is a database link ?

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Description : Difference between database triggers and form triggers?

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Description : Can you use a commit statement within a database trigger?

Last Answer : No

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Last Answer : TABLES -VIEWS INDEXES -SYNONYMS -SEQUENCES -TABLESPACES etc

Description : What is Database Trigger ?

Last Answer : A Database Trigger is procedure (set of SQL and PL/SQL statements) that is automatically executed as a result of an insert in,update to, or delete from a table.

Description : What are the uses of Database Trigger ?

Last Answer : Database triggers can be used to automatic data generation, audit data modifications, enforce complex Integrity constraints, and customize complex security authorizations.

Description : What are the different types of PL/SQL program units that can be defined and stored in ORACLE database ?

Last Answer : Procedures and Functions,Packages and Database Triggers.

Description : What is a database trigger ? Name some usages of database trigger ?

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Description : How many types of database triggers can be specified on a table ? What are they ?

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Description : Is it possible to use Transaction control Statements such a ROLLBACK or COMMIT in Database Trigger ? Why ?

Last Answer : It is not possible. As triggers are defined for each table, if you use COMMIT of ROLLBACK in a trigger, it affects logical transaction processing.

Description : What is a Virtual Private Database? (for DBA

Last Answer : Oracle 8i introduced the notion of a Virtual Private Database (VPD). A VPD offers Fine-Grained Access Control (FGAC) for secure separation of data. This ensures that users only have ... the DBMS_RLS (Row Level Security) package. Select from SYS.V$VPD_POLICY to see existing VPD configuration.